lazygit-installer

#!/bin/sh

myname=${0##*/}

TMPDIR="${TMPDIR:-/tmp}"
cache_dir="$TMPDIR/lazygit_installer_$$"

die() {
    [ -n "$1" ] && printf '%s\n' "$*" >&2;
    exit 1
}

cleanup() {
    rm -rf -- "$cache_dir"
}

trap cleanup EXIT INT TERM


echo "-- ${myname} --"
echo "${myname}: fetching lazygit version"
LAZYGIT_VERSION=$(
    curl -s "https://api.github.com/repos/jesseduffield/lazygit/releases/latest" \
        | grep -Po '"tag_name": "v\K[^"]*'
)
echo "${myname}: will install lazygit version ${LAZYGIT_VERSION}"
echo "${myname}: downloading..."

archive="lazygit_${LAZYGIT_VERSION}_Linux_x86_64.tar.gz"
url="https://github.com/jesseduffield/lazygit/releases/latest/download/${archive}"

[ -d "$cache_dir" ] || mkdir -p -- "$cache_dir" || die "unable to create cache dir at ${cache_dir}"

cd "$cache_dir" || die "could not cd to cache dir!"

curl -Lo lazygit.tar.gz "${url}" || die "download failed!"

echo "${myname}: installing..."
tar xf lazygit.tar.gz lazygit || die "extraction failed!"
# got root?
if [ "$(id -u)" -eq 0 ]; then
    install lazygit /usr/local/bin/
else
    sudo install lazygit /usr/local/bin/
fi
echo "${myname}: installation complete!"

cd || die